Datasheet
DC/DC Converter
MED-2
REV.: 0/2015 www.recom-international.com
BASIC CHARACTERISTICS
Parameter Condition Min. Typ. Max.
Absolute Maximum Input Voltage
( 3sec max.)
2:1
4:1
5Vin nom.
12Vin nom.
24Vin nom.
48Vin nom.
24Vin nom.
48Vin nom
16VDC
25VDC
50VDC
100VDC
50VDC
100VDC
Under Voltage Lockout
2:1
4:1
5Vin nom.
12Vin nom.
24Vin nom.
48Vin nom.
24Vin nom.
48Vin nom
4VDC
8VDC
16VDC
33VDC
8VDC
16VDC
4.5VDC
9VDC
18VDC
36VDC
9VDC
18VDC
Start-up Time constant resistive load, Power up or Remote ON/OFF 30ms
Remote ON/OFF
(referenced to -Vin Pin)
DC-DC ON
DC-DC OFF
Open or 0-1.2VDC
2.2-12VDC
Current of CTRL Pin -0.5mA 1mA
Remote OFF Input Current 2.5mA
Operating Frequency 135kHz 150kHz 165kHz
Output Ripple and Noise
(20MHz BW limited)
10µF/25V 7XR MLCC for 3.3, 5Vout
12, 15Vout
4.7µF/50V X7R MLCC for 24Vout
30mVp-p
40mVp-p
50mVp-p
continued on next page
Graph1: Efficiency Factor vs. Load
Load (%)
Efficiency Factor
100 20 30 40 50 60 70 80 90 100
0.0
0.2
0.4
0.6
0.8
1.2
1.0
Efficiency Crosstable (%) @ full load
Input Voltage
5 12 24 48 24W 48W
Output Voltage
3.3S
81 82 82 81 82 81
05S
84.5 84.5 84.5 84 84.5 84
12S
85.5 87 87 87 87 87
15S
87.5 87 87 86.5 87 86.5
24S
85.5 87 87 86.5 87 86.5
05D
83 83.5 83 83 83 83
12D
86 87.5 86 86 87 86
15D
86 86.5 86 86 86 86
Table1: Efficiency Crosstable
Efficiency
REM3
Series
Specifications (measured at T
A
= 25°C, nominal input voltage, full load and after warm-up)